| 1 | /* bug 24973: Test EUC-KR module |
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| 2 | Copyright (C) 2020-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <errno.h> |
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| 20 | #include <iconv.h> |
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| 21 | #include <stdio.h> |
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| 22 | #include <support/check.h> |
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| 23 | |
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| 24 | static int |
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| 25 | do_test (void) |
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| 26 | { |
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| 27 | iconv_t cd = iconv_open (tocode: "UTF-8//IGNORE" , fromcode: "EUC-KR" ); |
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| 28 | TEST_VERIFY_EXIT (cd != (iconv_t) -1); |
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| 29 | |
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| 30 | /* 0xfe (->0x7e : row 94) and 0xc9 (->0x49 : row 41) are user-defined |
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| 31 | areas, which are not allowed and should be skipped over due to |
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| 32 | //IGNORE. The trailing 0xfe also is an incomplete sequence, which |
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| 33 | should be checked first. */ |
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| 34 | char input[4] = { '\xc9', '\xa1', '\0', '\xfe' }; |
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| 35 | char *inptr = input; |
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| 36 | size_t insize = sizeof (input); |
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| 37 | char output[4]; |
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| 38 | char *outptr = output; |
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| 39 | size_t outsize = sizeof (output); |
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| 40 | |
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| 41 | /* This used to crash due to buffer overrun. */ |
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| 42 | TEST_VERIFY (iconv (cd, &inptr, &insize, &outptr, &outsize) == (size_t) -1); |
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| 43 | TEST_VERIFY (errno == EINVAL); |
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| 44 | /* The conversion should produce one character, the converted null |
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| 45 | character. */ |
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| 46 | TEST_VERIFY (sizeof (output) - outsize == 1); |
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| 47 | |
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| 48 | TEST_VERIFY_EXIT (iconv_close (cd) != -1); |
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| 49 | |
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| 50 | return 0; |
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| 51 | } |
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| 52 | |
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| 53 | #include <support/test-driver.c> |
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| 54 | |
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